Happy World Backup Day! We can't really emphasize this strongly enough: you need good backups, and you need them now. That's why we've joined the cause for data saving with tips, techniques and giveaways all day today.
For Mac users running Leopard or Snow Leopard (10.5 or 10.6), the good news about backup is that you've got a pretty solid tool already installed and ready to roll: Time Machine. We've covered the basics on Time Machine before, but there are a couple of ways to supplement and improve your TM experience -- making your backups safer and simpler.
